Now that the seventh edition of the Frieze Art Fair, Oct. 15-18, 2009, is over, I don’t know what to do with myself. The mini-world-in-a-tent in Regent’s Park, and its myriad ancillary events that made up what I’d call "Frieze fortnight," have come to an end. The real world truly doth seem stale, flat and just a little unprofitable.